It will not warp, rot, or delaminate when exposed to humidity or water. it StarBoard is easy to fabricate with standard woodworit tools and requires little or no finiHDPEng. Sizes: 54" x 96" full sheets or custom cut-to-size. Thicknesses: ¼”, 3/8”, ½”, ¾”, 1”, 1½”. lors: Black, Charcoal Gray, Dolphin Gray, Light Gray